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author | trav90 <travawine@palemoon.org> | 2018-10-15 21:45:30 -0500 |
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committer | trav90 <travawine@palemoon.org> | 2018-10-15 21:45:30 -0500 |
commit | 68569dee1416593955c1570d638b3d9250b33012 (patch) | |
tree | d960f017cd7eba3f125b7e8a813789ee2e076310 /third_party/aom/aom_dsp/x86/fwd_txfm_sse2.c | |
parent | 07c17b6b98ed32fcecff15c083ab0fd878de3cf0 (diff) | |
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Import aom library
This is the reference implementation for the Alliance for Open Media's av1 video code.
The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
Diffstat (limited to 'third_party/aom/aom_dsp/x86/fwd_txfm_sse2.c')
-rw-r--r-- | third_party/aom/aom_dsp/x86/fwd_txfm_sse2.c | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/fwd_txfm_sse2.c b/third_party/aom/aom_dsp/x86/fwd_txfm_sse2.c new file mode 100644 index 000000000..a337e618d --- /dev/null +++ b/third_party/aom/aom_dsp/x86/fwd_txfm_sse2.c @@ -0,0 +1,273 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#include <emmintrin.h> // SSE2 + +#include "./aom_config.h" +#include "./aom_dsp_rtcd.h" +#include "aom_dsp/aom_dsp_common.h" +#include "aom_dsp/x86/fwd_txfm_sse2.h" + +void aom_fdct4x4_1_sse2(const int16_t *input, tran_low_t *output, int stride) { + __m128i in0, in1; + __m128i tmp; + const __m128i zero = _mm_setzero_si128(); + in0 = _mm_loadl_epi64((const __m128i *)(input + 0 * stride)); + in1 = _mm_loadl_epi64((const __m128i *)(input + 1 * stride)); + in1 = _mm_unpacklo_epi64( + in1, _mm_loadl_epi64((const __m128i *)(input + 2 * stride))); + in0 = _mm_unpacklo_epi64( + in0, _mm_loadl_epi64((const __m128i *)(input + 3 * stride))); + + tmp = _mm_add_epi16(in0, in1); + in0 = _mm_unpacklo_epi16(zero, tmp); + in1 = _mm_unpackhi_epi16(zero, tmp); + in0 = _mm_srai_epi32(in0, 16); + in1 = _mm_srai_epi32(in1, 16); + + tmp = _mm_add_epi32(in0, in1); + in0 = _mm_unpacklo_epi32(tmp, zero); + in1 = _mm_unpackhi_epi32(tmp, zero); + + tmp = _mm_add_epi32(in0, in1); + in0 = _mm_srli_si128(tmp, 8); + + in1 = _mm_add_epi32(tmp, in0); + in0 = _mm_slli_epi32(in1, 1); + output[0] = (tran_low_t)_mm_cvtsi128_si32(in0); +} + +void aom_fdct8x8_1_sse2(const int16_t *input, tran_low_t *output, int stride) { + __m128i in0 = _mm_load_si128((const __m128i *)(input + 0 * stride)); + __m128i in1 = _mm_load_si128((const __m128i *)(input + 1 * stride)); + __m128i in2 = _mm_load_si128((const __m128i *)(input + 2 * stride)); + __m128i in3 = _mm_load_si128((const __m128i *)(input + 3 * stride)); + __m128i u0, u1, sum; + + u0 = _mm_add_epi16(in0, in1); + u1 = _mm_add_epi16(in2, in3); + + in0 = _mm_load_si128((const __m128i *)(input + 4 * stride)); + in1 = _mm_load_si128((const __m128i *)(input + 5 * stride)); + in2 = _mm_load_si128((const __m128i *)(input + 6 * stride)); + in3 = _mm_load_si128((const __m128i *)(input + 7 * stride)); + + sum = _mm_add_epi16(u0, u1); + + in0 = _mm_add_epi16(in0, in1); + in2 = _mm_add_epi16(in2, in3); + sum = _mm_add_epi16(sum, in0); + + u0 = _mm_setzero_si128(); + sum = _mm_add_epi16(sum, in2); + + in0 = _mm_unpacklo_epi16(u0, sum); + in1 = _mm_unpackhi_epi16(u0, sum); + in0 = _mm_srai_epi32(in0, 16); + in1 = _mm_srai_epi32(in1, 16); + + sum = _mm_add_epi32(in0, in1); + in0 = _mm_unpacklo_epi32(sum, u0); + in1 = _mm_unpackhi_epi32(sum, u0); + + sum = _mm_add_epi32(in0, in1); + in0 = _mm_srli_si128(sum, 8); + + in1 = _mm_add_epi32(sum, in0); + output[0] = (tran_low_t)_mm_cvtsi128_si32(in1); +} + +void aom_fdct16x16_1_sse2(const int16_t *input, tran_low_t *output, + int stride) { + __m128i in0, in1, in2, in3; + __m128i u0, u1; + __m128i sum = _mm_setzero_si128(); + int i; + + for (i = 0; i < 2; ++i) { + in0 = _mm_load_si128((const __m128i *)(input + 0 * stride + 0)); + in1 = _mm_load_si128((const __m128i *)(input + 0 * stride + 8)); + in2 = _mm_load_si128((const __m128i *)(input + 1 * stride + 0)); + in3 = _mm_load_si128((const __m128i *)(input + 1 * stride + 8)); + + u0 = _mm_add_epi16(in0, in1); + u1 = _mm_add_epi16(in2, in3); + sum = _mm_add_epi16(sum, u0); + + in0 = _mm_load_si128((const __m128i *)(input + 2 * stride + 0)); + in1 = _mm_load_si128((const __m128i *)(input + 2 * stride + 8)); + in2 = _mm_load_si128((const __m128i *)(input + 3 * stride + 0)); + in3 = _mm_load_si128((const __m128i *)(input + 3 * stride + 8)); + + sum = _mm_add_epi16(sum, u1); + u0 = _mm_add_epi16(in0, in1); + u1 = _mm_add_epi16(in2, in3); + sum = _mm_add_epi16(sum, u0); + + in0 = _mm_load_si128((const __m128i *)(input + 4 * stride + 0)); + in1 = _mm_load_si128((const __m128i *)(input + 4 * stride + 8)); + in2 = _mm_load_si128((const __m128i *)(input + 5 * stride + 0)); + in3 = _mm_load_si128((const __m128i *)(input + 5 * stride + 8)); + + sum = _mm_add_epi16(sum, u1); + u0 = _mm_add_epi16(in0, in1); + u1 = _mm_add_epi16(in2, in3); + sum = _mm_add_epi16(sum, u0); + + in0 = _mm_load_si128((const __m128i *)(input + 6 * stride + 0)); + in1 = _mm_load_si128((const __m128i *)(input + 6 * stride + 8)); + in2 = _mm_load_si128((const __m128i *)(input + 7 * stride + 0)); + in3 = _mm_load_si128((const __m128i *)(input + 7 * stride + 8)); + + sum = _mm_add_epi16(sum, u1); + u0 = _mm_add_epi16(in0, in1); + u1 = _mm_add_epi16(in2, in3); + sum = _mm_add_epi16(sum, u0); + + sum = _mm_add_epi16(sum, u1); + input += 8 * stride; + } + + u0 = _mm_setzero_si128(); + in0 = _mm_unpacklo_epi16(u0, sum); + in1 = _mm_unpackhi_epi16(u0, sum); + in0 = _mm_srai_epi32(in0, 16); + in1 = _mm_srai_epi32(in1, 16); + + sum = _mm_add_epi32(in0, in1); + in0 = _mm_unpacklo_epi32(sum, u0); + in1 = _mm_unpackhi_epi32(sum, u0); + + sum = _mm_add_epi32(in0, in1); + in0 = _mm_srli_si128(sum, 8); + + in1 = _mm_add_epi32(sum, in0); + in1 = _mm_srai_epi32(in1, 1); + output[0] = (tran_low_t)_mm_cvtsi128_si32(in1); +} + +void aom_fdct32x32_1_sse2(const int16_t *input, tran_low_t *output, + int stride) { + __m128i in0, in1, in2, in3; + __m128i u0, u1; + __m128i sum = _mm_setzero_si128(); + int i; + + for (i = 0; i < 8; ++i) { + in0 = _mm_load_si128((const __m128i *)(input + 0)); + in1 = _mm_load_si128((const __m128i *)(input + 8)); + in2 = _mm_load_si128((const __m128i *)(input + 16)); + in3 = _mm_load_si128((const __m128i *)(input + 24)); + + input += stride; + u0 = _mm_add_epi16(in0, in1); + u1 = _mm_add_epi16(in2, in3); + sum = _mm_add_epi16(sum, u0); + + in0 = _mm_load_si128((const __m128i *)(input + 0)); + in1 = _mm_load_si128((const __m128i *)(input + 8)); + in2 = _mm_load_si128((const __m128i *)(input + 16)); + in3 = _mm_load_si128((const __m128i *)(input + 24)); + + input += stride; + sum = _mm_add_epi16(sum, u1); + u0 = _mm_add_epi16(in0, in1); + u1 = _mm_add_epi16(in2, in3); + sum = _mm_add_epi16(sum, u0); + + in0 = _mm_load_si128((const __m128i *)(input + 0)); + in1 = _mm_load_si128((const __m128i *)(input + 8)); + in2 = _mm_load_si128((const __m128i *)(input + 16)); + in3 = _mm_load_si128((const __m128i *)(input + 24)); + + input += stride; + sum = _mm_add_epi16(sum, u1); + u0 = _mm_add_epi16(in0, in1); + u1 = _mm_add_epi16(in2, in3); + sum = _mm_add_epi16(sum, u0); + + in0 = _mm_load_si128((const __m128i *)(input + 0)); + in1 = _mm_load_si128((const __m128i *)(input + 8)); + in2 = _mm_load_si128((const __m128i *)(input + 16)); + in3 = _mm_load_si128((const __m128i *)(input + 24)); + + input += stride; + sum = _mm_add_epi16(sum, u1); + u0 = _mm_add_epi16(in0, in1); + u1 = _mm_add_epi16(in2, in3); + sum = _mm_add_epi16(sum, u0); + + sum = _mm_add_epi16(sum, u1); + } + + u0 = _mm_setzero_si128(); + in0 = _mm_unpacklo_epi16(u0, sum); + in1 = _mm_unpackhi_epi16(u0, sum); + in0 = _mm_srai_epi32(in0, 16); + in1 = _mm_srai_epi32(in1, 16); + + sum = _mm_add_epi32(in0, in1); + in0 = _mm_unpacklo_epi32(sum, u0); + in1 = _mm_unpackhi_epi32(sum, u0); + + sum = _mm_add_epi32(in0, in1); + in0 = _mm_srli_si128(sum, 8); + + in1 = _mm_add_epi32(sum, in0); + in1 = _mm_srai_epi32(in1, 3); + output[0] = (tran_low_t)_mm_cvtsi128_si32(in1); +} + +#define DCT_HIGH_BIT_DEPTH 0 +#define FDCT4x4_2D aom_fdct4x4_sse2 +#define FDCT8x8_2D aom_fdct8x8_sse2 +#define FDCT16x16_2D aom_fdct16x16_sse2 +#include "aom_dsp/x86/fwd_txfm_impl_sse2.h" +#undef FDCT4x4_2D +#undef FDCT8x8_2D +#undef FDCT16x16_2D + +#define FDCT32x32_2D aom_fdct32x32_rd_sse2 +#define FDCT32x32_HIGH_PRECISION 0 +#include "aom_dsp/x86/fwd_dct32x32_impl_sse2.h" +#undef FDCT32x32_2D +#undef FDCT32x32_HIGH_PRECISION + +#define FDCT32x32_2D aom_fdct32x32_sse2 +#define FDCT32x32_HIGH_PRECISION 1 +#include "aom_dsp/x86/fwd_dct32x32_impl_sse2.h" // NOLINT +#undef FDCT32x32_2D +#undef FDCT32x32_HIGH_PRECISION +#undef DCT_HIGH_BIT_DEPTH + +#if CONFIG_HIGHBITDEPTH +#define DCT_HIGH_BIT_DEPTH 1 +#define FDCT4x4_2D aom_highbd_fdct4x4_sse2 +#define FDCT8x8_2D aom_highbd_fdct8x8_sse2 +#define FDCT16x16_2D aom_highbd_fdct16x16_sse2 +#include "aom_dsp/x86/fwd_txfm_impl_sse2.h" // NOLINT +#undef FDCT4x4_2D +#undef FDCT8x8_2D +#undef FDCT16x16_2D + +#define FDCT32x32_2D aom_highbd_fdct32x32_rd_sse2 +#define FDCT32x32_HIGH_PRECISION 0 +#include "aom_dsp/x86/fwd_dct32x32_impl_sse2.h" // NOLINT +#undef FDCT32x32_2D +#undef FDCT32x32_HIGH_PRECISION + +#define FDCT32x32_2D aom_highbd_fdct32x32_sse2 +#define FDCT32x32_HIGH_PRECISION 1 +#include "aom_dsp/x86/fwd_dct32x32_impl_sse2.h" // NOLINT +#undef FDCT32x32_2D +#undef FDCT32x32_HIGH_PRECISION +#undef DCT_HIGH_BIT_DEPTH +#endif // CONFIG_HIGHBITDEPTH |